67 (number)

67 (number)
67
Cardinal sixty-seven
Ordinal 67th
(sixty-seventh)
Factorization prime
Divisors 1, 67
Roman numeral LXVII
Binary 10000112
Octal 1038
Duodecimal 5712
Hexadecimal 4316

67 (sixty-seven) is the natural number following 66 and preceding 68. It is an odd number.

Contents

In mathematics

Sixty-seven is the 19th prime number (the next is 71), an irregular prime, a lucky prime, the sum of five consecutive primes (7 + 11 + 13 + 17 + 19), and a Heegner number.

Since 18! + 1 is divisible by 67 but 67 is not one more than a multiple of 18, 67 is a Pillai prime.

In a Voronoi diagram created using points from the prime spiral, no prime less than 10242 will have a rounder Voronoi cell than 67.

In science

Astronomy

In Music

Rap

  • Rapper Tech N9ne claims to be "All 6's and 7's" explaining that 6 is evil and 7 is godly.
  • Rapper Lil Wayne released a music video for the song "6 Foot 7 Foot" (shortened as 6'7') in 2011 where he borrows a scene from the film Inception.

Other fields

Sixty-seven is:

In sports

Historical years

67 A.D., 67 B.C., 1967, 2067, etc.

External links


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